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Svet_ta [14]
4 years ago
6

What is the difference? X/x2+3x+2 - 1/(X+ 2)(x+1)

Mathematics
1 answer:
Anarel [89]4 years ago
5 0

Answer:

D

Step-by-step explanation:

\[\frac{x}{x^{2} +3x+2} -\frac{1}{(x+2)(x+1)} =\frac{x}{x^2+3x+2} -\frac{1}{x(x+1)+2(x+1)} =\frac{x}{x^{2}+3x+2 } -\frac{1}{x^{2} +2x+x+2} =\frac{x}{x^{2} +3x+2} -\frac{1}{x^{2} +3x+2} =\frac{x-1}{x^{2} +3x+2} \]

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